var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();





// global variable
currentID = 000;

// get element by id independ on platform
// Starts
function GetElement(id)
{
	return document.getElementById ? document.getElementById(id) : document.all ? document.all(id) : document.layers ? document.layers[id] : null;
}
// Ends


// switch class of the object
// usage: switch('curclass', 'newclass');
// Starts
function SwitchClass(id, to)
{
	var obj = GetElement(id);
	if (obj)
		obj.className = to;
}
// Ends


// get querystring value from url
// usage: GetQueryString("idDetails");
// Starts
function GetQueryString(key)
{
	strUrl = "" + window.location;
	var temp = new Array();
	temp = strUrl.split('?');
	var temp1 = new Array();
	if (temp.length == 1)
		temp1 = temp[0].split('&');
	else
		temp1 = temp[1].split('&');
	for (i=0; i<temp1.length; i++)
	{
		var temp3 = new Array();
		temp3 = temp1[i].split('=');
		if (temp3[0] == key)
			return temp3[1];
	}
}
function GetQueryString2(key)
{
	strUrl = "" + window.location;
	var temp = new Array();
	temp = strUrl.split('/');
	for (i=0; i<temp.length; i++)
	{
		var temp3 = new Array();
		temp3 = temp[i].split('=');
		if (temp3.length == 2 && temp3[0] == key)
		{
			return temp3[1];
		}
	}

	temp = strUrl.split('&');
	for (i=0; i<temp.length; i++)
	{
		var temp3 = new Array();
		temp3 = temp[i].split('=');
		if (temp3.length == 2 && temp3[0] == key)
		{
			return temp3[1];
		}
	}
}
// Ends


// Starts
function ShowHideElement(id)
{
	var prop;
	
	if (currentID != 000) {
		if (id != currentID) {
			GetElement(currentID).style.display = 'none'
		}
	}

	currentID = id;
	
	if (document.getElementById) 
		prop = document.getElementById(id).style;
	else if (document.all)
		prop = document.all[id].style;
	else if (document.layers)
		prop = document.layers[id];
	if (prop.display=='none')
		prop.display = '';
	else
		prop.display = 'none'
}
// Ends





/************************************************************************
// dropMenu
// usage: new dropMenu('tn15397', 'down', 170, 400, 'left', 'bottom', true)
// 		  onmouseover="dropMenu.showMenu('tn15397',this)"
//		  onmouseout="dropMenu.hideMenu('tn15397')"
*************************************************************************/
dropMenu.Registry = []
dropMenu.animationLength = 250
dropMenu.hideDelay = 100
dropMenu.minCPUResolution = 10
dropMenu.useDivShim = false
// constructor

//fires on instantiation of each new menu object
function dropMenu(id, dir, width, height, hAlign, vAlign, animation)
{
	this.ie = document.all ? 1 : 0
	this.ns4 = document.layers ? 1 : 0
	this.dom = document.getElementById ? 1 : 0
	if (this.ie || this.ns4 || this.dom) {
		this.id = id
		this.hAlign = hAlign
		this.vAlign = vAlign
		this.dir = dir
		this.animation = animation
		this.orientation = dir == "left" || dir == "right" ? "h" : "v"
		this.dirType = dir == "right" || dir == "down" ? "-" : "+"
		this.dim = this.orientation == "h" ? width : height
		this.hideTimer = false
		this.aniTimer = false
		this.open = false
		this.over = false
		this.startTime = 0
		this.gRef = "dropMenu_"+id
	
		this.width = width
		this.height = height
			
		eval(this.gRef+"=this")
		dropMenu.Registry[id] = this
		var d = document
		var strCSS = '<style type="text/css">';
		strCSS += '#' + this.id + 'Container{visibility:hidden; overflow:hidden; text-align:left;z-index:10000;}'
		strCSS += '#' + this.id + 'Container, #' + this.id + 'Content { position:absolute; width:' + width + 'px; height:' + height + 'px;'// clip:rect(0 ' + width + ' ' + height + ' 0);'
		strCSS += '}'
		strCSS += '</style>'
		d.write(strCSS)
		
		if( BrowserDetect.browser == "Explorer" && BrowserDetect.version > 5.5 && BrowserDetect.version < 7 )
			this.useDivShim = true;
		else
			this.useDivShim = false;
		
		if( this.useDivShim == true && dropMenu.useDivShim == false ) {
			strDivShim = '<iframe id="MenuDivShim" src="javascript:false;" scrolling="no" frameborder="0" style="position:absolute; display:block; z-index:9999; display:none"></iframe>';
			d.write( strDivShim );
			dropMenu.useDivShim = true;
		}

		this.load()
	}
}

dropMenu.prototype.load = function() 
{
	var d = document
	var lyrId1 = this.id + "Container"
	var lyrId2 = this.id + "Content"
	var obj1 = this.dom ? d.getElementById(lyrId1) : this.ie ? d.all[lyrId1] : d.layers[lyrId1]
	if (obj1) var obj2 = this.ns4 ? obj1.layers[lyrId2] : this.ie ? d.all[lyrId2] : d.getElementById(lyrId2)
	var temp
	if (!obj1 || !obj2) window.setTimeout(this.gRef + ".load()", 100)
	else {
		this.container = obj1
		this.menu = obj2
		this.style = this.ns4 ? this.menu : this.menu.style
		this.containerStyle = this.ns4 ? this.container : this.container.style
		this.homePos = eval("0" + this.dirType + this.dim)
		this.outPos = 0
		this.accelConst = (this.outPos - this.homePos) / dropMenu.animationLength / dropMenu.animationLength 

		if( this.useDivShim == true ) {
			var divShimId = "MenuDivShim";
			this.divShim = this.dom ? d.getElementById(divShimId) : this.ie ? d.all[divShimId] : d.layers[divShimId];
			this.divShimStyle = this.ns4 ? this.divShim : this.divShim.style
			this.divShimStyle.filter='progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)';
		}
		
		// set event handlers.
		if (this.ns4) this.menu.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);
		this.menu.onmouseover = new Function("dropMenu.showMenu('" + this.id + "')")
		this.menu.onmouseout = new Function("dropMenu.hideMenu('" + this.id + "')")
		//set initial state
		this.endSlide()
	}
}

dropMenu.showMenu = function(id, object)
{
	var reg = dropMenu.Registry
	var obj = dropMenu.Registry[id]
	if( obj )
	{
		if (obj.container) {
			obj.over = true
			for (menu in reg) if (id != menu) dropMenu.hide(menu)
			if (obj.hideTimer) { reg[id].hideTimer = window.clearTimeout(reg[id].hideTimer) }
			
			if( object )
			{
				var left
				if( obj.hAlign == "right" ) 
					left = findPosX(object) + object.offsetWidth
				else
					left = findPosX(object);
				var top
				if( obj.vAlign == "top" )
					top = findPosY(object)
				else
					top = (findPosY(object) + object.offsetHeight);
				obj.containerStyle["left"] = obj.ns4 ? left : left + "px"
				obj.containerStyle["top"] = obj.ns4 ? top : top + "px"
				
				if( obj.useDivShim == true ) {
					obj.divShimStyle["left"] = obj.containerStyle["left"];
					obj.divShimStyle["top"] = obj.containerStyle["top"];
					obj.divShimStyle["width"] = obj.container.offsetWidth + 'px';
					obj.divShimStyle["height"] = obj.container.offsetHeight + 'px';
					
					var nodes = document.getElementById( obj.id + "Content" );
					if( nodes ) {
						nodes = nodes.childNodes;
						for( var i=0; i < nodes.length; i++ ) {
							var node = nodes[ i ];
							if( node.tagName.toLowerCase() == "div" && node.className.toLowerCase() == "options" ) {
								obj.divShimStyle["height"] = node.offsetHeight + 'px';
								break;
							}
						}
					}
				}
			}
			
			if (!obj.open && !obj.aniTimer) reg[id].startSlide(true)
		}
	}
	else
	{
		for (menu in reg) if (id != menu) dropMenu.hide(menu)
	}
}

dropMenu.hideMenu = function(id)
{
	var obj = dropMenu.Registry[id]
	if( obj )
	{
		if (obj.container) {
			if (obj.hideTimer)
				window.clearTimeout(obj.hideTimer)
			obj.hideTimer = window.setTimeout("dropMenu.hide('" + id + "')", dropMenu.hideDelay);
		}
	}
}

dropMenu.hideAll = function()
{
	for (menu in dropMenu.Registry)
	{
		dropMenu.hide(menu);
		if (menu.hideTimer)
			window.clearTimeout(menu.hideTimer);
	}
}

dropMenu.hide = function(id)
{
	var obj = dropMenu.Registry[id]
	obj.over = false
	if (obj.hideTimer) window.clearTimeout(obj.hideTimer)
	obj.hideTimer = 0
	if (obj.open && !obj.aniTimer) obj.startSlide(false)
}

dropMenu.prototype.startSlide = function(open) {
	this[open ? "onactivate" : "ondeactivate"]()
	this.open = open
	if (open) this.setVisibility(true)
	this.startTime = (new Date()).getTime() 
	this.aniTimer = window.setInterval(this.gRef + ".slide()", dropMenu.minCPUResolution)
}

dropMenu.prototype.slide = function() {
	var elapsed = (new Date()).getTime() - this.startTime
	if (elapsed > dropMenu.animationLength || this.animation == false) 
		this.endSlide()
	else {
		var d = Math.round(Math.pow(dropMenu.animationLength-elapsed, 2) * this.accelConst)
		if (this.open && this.dirType == "-") d = -d
		else if (this.open && this.dirType == "+") d = -d
		else if (!this.open && this.dirType == "-") d = -this.dim + d
		else d = this.dim + d
		this.moveTo(d)
	}
}

dropMenu.prototype.endSlide = function() {
	this.aniTimer = window.clearTimeout(this.aniTimer)
	this.moveTo(this.open ? this.outPos : this.homePos)
	if (!this.open) this.setVisibility(false)
	if ((this.open && !this.over) || (!this.open && this.over)) {
		this.startSlide(this.over)
	}
}

dropMenu.prototype.setVisibility = function(bShow) { 
	var s = this.ns4 ? this.container : this.container.style
	s.visibility = bShow ? "visible" : "hidden"
	//this.divShimStyle.display = bShow ? "" : "none"
	if( this.useDivShim == true ) {
		var reg = dropMenu.Registry
		if( bShow == false ) {
			for( id in reg ) {
				if( dropMenu.Registry[ id ].open ) {
					return;
				}
			}
		}
		this.divShimStyle.display = bShow ? "block" : "none"
	}
}

dropMenu.prototype.moveTo = function(p) { 
	this.style[this.orientation == "h" ? "left" : "top"] = this.ns4 ? p : p + "px"
}

dropMenu.prototype.getPos = function(c) {
	return parseInt(this.style[c])
}

dropMenu.prototype.onactivate = function() {}
dropMenu.prototype.ondeactivate = function() {}

function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}




